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DCP-LETT-8909

From:
Heinrich Ludwig Hermann (Hermann) Müller
To:
Charles Robert Darwin
Date:
12 May 1873
Source of text:
DAR 171: 300
Summary:

Thanks for CD’s praise of his book [see 8901].

Contributor:
Darwin Correspondence Project

DCP-LETT-8907

From:
Heinrich Ludwig Hermann (Hermann) Müller
To:
Charles Robert Darwin
Date:
19 May 1873
Source of text:
DAR 76: B181–2, DAR 77: 139
Summary:

Praises Expression.

Reports on Fritz Müller’s observations of cross- and self-fertilisation. HM will cultivate the two forms [i.e., mainly self-fertilised and mainly cross-fertilised] in the way CD has described.

He continues his observation of wild flowers. Encloses drawing of Viola tricolor with notes on its self-fertility.

Contributor:
Darwin Correspondence Project

DCP-LETT-8923

From:
Heinrich Ludwig Hermann (Hermann) Müller
To:
Charles Robert Darwin
Date:
27 May 1873
Source of text:
DAR 171: 301
Summary:

Poa annua shows putative evidence of nectar secretion in grasses. He will continue observations as CD requests.

Contributor:
Darwin Correspondence Project
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